磁電機傳動 的英文怎麼說
中文拼音 [cídiànjīzhuàndòng]
磁電機傳動
英文
magneto drive- 磁 : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 機 : machineengine
- 傳 : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
- 電機 : (任何產生和應用電能的機器 特指發電機、電動機) any power generating or power driven machine esp ...
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The press is ingenious in design, hign quality in materials, with features as fine workmanship, handsome appearance, compact structure, higher work pressure, lower work noise, and equipped with single skip. controlled temperature, electric autotimer, so that it will be reliable is operation and easy to repair
本機設計精巧,用材講究、製造精良、造型美觀、結構緊湊,傳動部分採用大功率雙向電磁離合器,可連續工作,也可單獨工作,且有壓力大、噪音小、單級跳位、溫度自控、電子式時間繼電器延時,操作安全可靠、維護保養方便等優點。Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor
在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上,通過系統建模和數字模擬分析,分別針對航空低壓直流( lvdc )和高壓直流( hvdc )兩種電動機構用永磁無刷電動機,在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究,提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。To keep the environment people live in, we should restrict or prevent many kinds of pollution, which includes electromagnetic radiation pollution. while we are considering setting up base station or evaluating the electromagnetism pollution of environment, we can measure on the spot. to save time, hard work and cost taken by measuring on spot, it is necessary to calculate and analyze the electromagnetic wave propagation in urban area
在對現有電磁輻射源(如移動通信基站、廣播電視發射天線等)環境電磁污染狀況進行評估時可以進行實地測試,但是對在建或擬建的輻射源則不可能進行先測試,同時為了避免實地測試的費時、費力和較大的測試費用,通過計算機來計算分析城市環境電波傳播顯得很有必要。The wdzs1 series brakes is fricative braking device automatically set to working by a spring when a power - cut occurs. it ' s widely applicable in automatic door, stage apparatus, medical appliances, offics facility, etc., to secure a prompt and accurate braking effect
Wdzs1系列微型電磁失電制動器為通電脫離(釋放) 、斷電彈簧制動的摩擦式制動器,廣泛應用於自動門、舞臺、醫療器械、辦公設備等機械傳動系統中,實現快速停車和準確定位。Moreover, maglevs do have an equivalent for mechanic friction : the magnetic friction between vehicle and guideway is much greater than is the sum of all mechanic friction ( wheel / rail, gears, motors ) of conventional trains
而且,磁懸浮實際有與機械摩擦相似的磨擦存在:車廂與導軌間的磁力磨擦超過了所有傳統列車的機械摩擦(輪軌,齒輪,電力拖動) 。Ndfeb magnet is mainly made of neodymium iron and boron, with excellent magnetic property abundant raw material and reasonable prices, ndfeb magnet can be used as an ideal magnet in mini - motor permanent magnetic resonance sound device magnetic suspension system, magnetic transmission machine and iatrical apparatus and etc. for ndfeb, its surface is usually treatd with some special methods. the surface treatment method include zine nickel tin silver gold plating phosphor and spray epoxy resin etc
其主要應用在微特電機、永磁儀表、電子工業、汽車工業、石油化工、核磁共振裝置、音響器材、磁懸浮系統、磁性傳動機構和磁療設備等方面。釹鐵硼磁鐵容易生銹、氧化,所以對釹鐵硼磁鐵,其表面通常需作電鍍處理,如鍍鋅、鎳、銀、金等,也可以做磷化處理或噴環氧樹脂來減慢其氧化速度。And the interfaces have analog input, analog output and digital input / output. we have used differently cards, such as pc - 6330d a / d card, pcl - 728 d / a card based isa bus, ipc - 5375 i / o card and so on. in addition, we select micro - stir switches and pressure sensors as sensor elements to inspect the system and choose relays and induction valves to control the bicycle pump and the motor
總線採用isa內部總線;介面主要有模擬量輸入介面、模擬量輸出介面、開關量輸入輸出介面等,課題分別選用pc - 6330d型a d板卡、基於isa總線的型號為pcl - 728的d a板卡、型號為ipc - 5375的i o板卡;另外,課題選用了微動式行程開關、壓力變送器作為傳感元件檢測系統,選用繼電器、電磁控制換向閥實現對氣缸、電機的控制;採用vc + + 6 . 0編制控制軟體,實現了纖維鋪放技術的計算機控制。Being a sort of new principle micromotor in the fronitier of science. the ultrosonic motor ( usm ) is developed at recently twenty years. utilizing the stator surface particle elliptical motion excited by piezoceeramics, the usm is drived by friction force between the stator and rotor. compared with the conventional electromagnetic motor, the ultrasonic motor has the following features : high speed, high holding torque when power is off and so on. because of it ' s characteristics, the ultrasonic motor has obtained some widespread application in robots, precise instrument, house electronical appliance, sapceecraft automobile and micromechanism
超聲波電機( ultrasonicmotor )是近二十年來發展起來的一種新原理電機,其原理不同於傳統的電磁型電機,它是利用壓電陶瓷的逆壓電效應使定子的表面質點產生橢圓運動,通過定子和轉子之間的摩擦力驅動轉子運動。這種新型的電機與傳統電磁電機相比,具有響應快、不受電磁干擾、結構緊湊、低速、大扭矩、斷電自鎖等優點,因而在微型機械、機器人、精密儀器、家用電器、航天器、汽車等方面顯示出廣泛的應用前景。Speed controls for traction include not only electrical vehicles of horizontal transportation such as electrical trains, internal - combustion locomotives with electrical transmissions, underground metros, light fait locomotives, trolley buses, even magnetic suspension trains and electrical cars etc., but also electrical vertical traction systems such as elevators, automatic moving staircases, mine winding engines, and gantry crane trucks etc
牽引調速既包括電氣火車、電傳動的內燃機車、地下鐵道、輕軌機車、無軌電車及磁懸浮列車和電動汽車等這類水平運輸電動車輛,也包括電梯、自動電梯、礦井卷揚機和龍門吊車等電動豎直牽引系統。The problem of torque increase and drill fracture during the process of deep well drilling was analyzed, and a safety protection and control technique was introduced, where a torque sensor was fixed between drilling bar and motor axis, while an electromagnetic clutch was fixed in the transmission chain of feed system
摘要對深孔鉆削過程中出現扭矩增大及折斷鉆頭鉆桿問題進行了分析,介紹了一種鉆桿主軸與電機軸的連接中安裝扭矩傳感器,進給系統的傳動鏈中安裝電磁離合器的深孔鉆削安全保護與控制技術。In this paper, we at fist analyse the distribution of magnetic field in the permanent magnet synchronous motor which rate power is 800w and calculate parameters of this motor on the basis of the traditional approach to ca1culating armature reactance, we put forward a new method which is based on the iteration of the electromotive force equation, and name it after " electromotive oprce method "
本論文運用有限元方法分析一臺800w稀土永磁同步電動機內部電磁場的分佈情況,計算出相應的電機參數。並在傳統的計算電樞反應電抗的基礎上提出了一種基於電勢平衡方程式的計算方法,本論文稱之為「電勢法」 。Features : hardened and precision - ground bedways, the spindle is supported with precision taper roller bearings, gears in the headstock are made of high - quality steel, hardened and ground, speed - changing levers driven by fan - shaped gears, operating easily, safe interlock and a overload safety devices in apron, electromagnetic braking, cooling and lighting devices are supplied
特點:床身導軌表面經淬火和精密磨削,主軸支撐採用精密圓錐滾子軸承,主軸箱內齒輪採用優質鋼並經表面淬火和磨削,變速機構採用扇型齒輪傳動,操作靈活方便,溜板箱設有安全互鎖裝置和過載保險機構,配有電磁剎車、冷卻及照明裝置。Design engineers now selecting pmbldc motors over conventional dc or induction motor drives for the following reasons : 1 ) the absence of brushes results in an essentially maintenance free operation and eliminates the undesirable effects of commutation such as sparks, brush - loss, radio - frequency interference, etc. 2 ) the low inertia of the rotor enhances the quality of the mechanical response of the motor, shortening the acceleration and deceleration time. 3 ) utilizing rare - earth permanent magnet materials with high coercive force results in substantially higher efficiency than their counterpart with brushes of the same size. 4 ) because of the absence of commutation segments, the stator construction is simple
現在的工程師們更為青睞永磁無刷直流電動機是因為以下幾點原因: ( 1 )去除了電刷的永磁無刷直流電動機徹底地免除了維護而且消除了我們不希望的由於換向帶來的火花、電刷損耗以及無線電干擾等等; ( 2 )低轉動慣量的轉子提高了電機機械響應的質量,從而縮短了電機加速和減速的時間; ( 3 )高矯頑力稀土永磁材料的使用使得同樣尺寸的永磁無刷直流電動機比傳統的直流電動機效率高; ( 4 )由於沒有機械換向部分定子的結構簡單了。Stepping drive of synchronous motors, upgrading the design idea of stepping motors from combined electromagnet theory to rotary magnetic field theory, will make the capability and efficiency of the increment control system improved to a new level, which is the research purpose of ac step motion drive this paper begins with the direct torque control method for pmsm to expatiate ac step motion control theory distinctly
用同步電動機實現步進傳動;將步進電動機的設計思想從組合電磁鐵理論提高為旋轉磁場,使增量運動系統的容量和效率發展到一個新的水平,這就是交流步進傳動的研究目的。為了比較清楚地闡述交流步進理論,本文首先從永磁同步電動機的直接轉矩控制演算法入手來分析。Design and simulation of permanent magnet synchronous machine in armored vehicle ' s electric transmission system
裝甲車輛電傳動系統永磁同步電機的設計與模擬This dissertation is devoted to the study on permanent magnet synchronous motor ( pmsm ) drive system in electric vehicle ( ev ) application aided by the state " 863 plan " and the science and technology items of liaoning province. four parts are included as follows : first of all, an efficiency - optimization control strategy for pmsm system used in ev is presented in order to extend road haul per charge
在國家863計劃「九五」重大項目「釹鐵硼電機應用產品開發」 、遼寧省科學技術計劃項目「高性能釹鐵硼永磁電機的研製」及沈陽市「十五」科技攻關項目資助下,本文研究工作圍繞電動汽車用永磁同步電動機( pmsm )傳動控制系統展開,研究內容分為以下四個部分:首先,為提高電動汽車一次充電續行里程,提出電動汽車用pmsm系統的效率優化控制策略。In order to solve the problem of direct torque control ( dtc ) for permanent magnet synchronous motor ( pmsm ) related to the flux and the torque ripple and the uncertainty of switching frequency, a method which shorten the voltage - vector - function - time by svm ( space vector modulation ) is developed, and in order to improve the system performance, the stator flux linkage sectors and vectors are subdivided
摘要為了解決永磁同步電機傳統直接轉矩控制低速時磁鏈和轉矩脈動大的問題,提出了1種用空間矢量調制( svm )實現減小電壓矢量在1個控制周期中的作用時間的直接轉矩控制方法;為進一步提高系統性能,對磁鏈扇區和電壓矢量進行了細分。For multiphase permanent - magnet synchronous motor ( pmsm ) frequency conversion speed control system has high reliability, so it becomes one of research emphases in the field of electric transmission
多相永磁同步電動機變頻調速系統因為其高可靠性而成為電氣傳動領域的研究重點。Permanent magnet brushless dc motor is selected for pump driving, a neutral simulator of back - emf is set up for rotor position sensing solution instead of sensor, which proved to be right in theory
本論文敘述了一種智能、高效的光伏水泵系統,系統採用無位置傳感器的永磁直流無刷電機驅動水泵。Reasons of imaging excursion of two rotating mirror high speed cameras used simultaneously are discussed, and the influence to images are analysed according to the theories and experiments, such as the signal drift of the magnetoelectric sensor and improperly operating etc
摘要討論了兩臺聯動轉鏡式高速相機像漂移的各種原因,從理論和實驗對相機像漂移的影響因素進行了分析,比如磁電式傳感器、材料、製作工藝、裝配精度及操作不當等。分享友人